APA (7th ed.) Citation

Hoover, E. M. 1. (1948). The location of economic activity. McGraw-Hill Book Co.

Chicago Style (17th ed.) Citation

Hoover, Edgar Malone 1907. The Location of Economic Activity. New York: McGraw-Hill Book Co, 1948.

MLA (9th ed.) Citation

Hoover, Edgar Malone 1907. The Location of Economic Activity. McGraw-Hill Book Co, 1948.